IANA assigns port 3384 to hp-clic: Cluster Management Services.
sudo ss -tlnp 'sport = :3384'sudo ss -ulnp 'sport = :3384'sudo lsof -nP -i :3384sudo netstat -tlnp | grep ':3384 'netstat -ano | findstr :3384Get-NetTCPConnection -LocalPort 3384 -State Listen | Select LocalAddress,OwningProcessnc -vz -w 5 HOST 3384Test-NetConnection HOST -Port 3384nc -vzu -w 5 HOST 3384sudo ufw deny 3384/tcpsudo iptables -A INPUT -p tcp --dport 3384 -j DROPsudo nft add rule inet filter input tcp dport 3384 dropNew-NetFirewallRule -DisplayName 'Block TCP 3384' -Direction Inbound -Protocol TCP -LocalPort 3384 -Action Blocksudo ufw deny 3384/udpsudo iptables -A INPUT -p udp --dport 3384 -j DROPsudo nft add rule inet filter input udp dport 3384 dropNew-NetFirewallRule -DisplayName 'Block UDP 3384' -Direction Inbound -Protocol UDP -LocalPort 3384 -Action BlockAll port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.